Before joining MLB Network, Valle was a color commentator for Mariners TV and radio broadcasts from 1997 through 2008. In 2007, he co-hosted the postgame show on the Mariners' radio network. Valle is president, co-founder and board chairman of Esperanza International, a non-profit community development organization established in 1995 and based in the Dominican Republic and Haiti. Esperanza serves economically disadvantaged through microfinance loans, health care and education by facilitating community-based sustainable development programs. The organization is currently serving over 21,000 families throughout the island of Hispaniola.